Hobby Lobby doesn't want to serve homosexuals or Jews
It isn't, though. Definitely not where I live (Germany, where there were multiple court decisions on the matter, most ending with the banned accounts having to be reinstated), and afaik not in the US either.I can't stop Twitter from banning anyone, since it really is their right.
... unless I disagree with them.Private companies can do whatever they want
https://en.m.wikipedia.org/wiki/Operation_MockingbirdFree speech doesn't apply to private companies.

It has already happened during the presidency that News Channels refuse to air his addresses.Besides, the president has his own press room...he could uhhh....use it?
I found it chilling how people can blindly follow and do something so heinous without even thinking any of the consequences under just few words of encouragement